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Polyphosphoric acid, ca 84% (as phosphorus pentoxide)
Descrizione
Polyphosphoric acid is used as a dehydrating agent, cyclizing agent, acylating agent, analytical reagent and as a ring closing reagent. It is used in the production of phosphate esters, acid phosphates and pharmaceuticals. It is involved in metal treatment and as an asphalt and a bitumen additive. Furthermore, it is employed for the determination of tryptophan and used a reagent for the alkylation and acylation reactions of aromatic and alkenic compounds.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Polyphosphoric acid is used as a dehydrating agent, cyclizing agent, acylating agent, analytical reagent and as a ring closing reagent. It is used in the production of phosphate esters, acid phosphates and pharmaceuticals. It is involved in metal treatment and as an asphalt and a bitumen additive. Furthermore, it is employed for the determination of tryptophan and used a reagent for the alkylation and acylation reactions of aromatic and alkenic compounds.
Solubility
Miscible with water.
Notes
Hygroscopic. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with bases. It reacts with water violently to generate heat and phosphoric acid.
Specifica
Specifica
| Materiale o nome chimico | Polyphosphoric acid |
| Densità | 2.1 |
| Odore | Odorless |
| Sensibilità | Hygroscopic |
| Note percentuale saggio | (as phosphorus pentoxide) |
| Quantità | 500 mL |
| Numero UN | UN3264 |
| Indice di Merck | 14,7580 |
| Informazioni di solubilità | Miscible with water. |
| Percent Purity | ∼84% |
Sicurezza e movimentazione
- Polyphosphoric acid
- Pericolo
- Lesione oculare grave/irritazione oculare Categoria 1
- Sostanze e miscele corrosive per i metalli Categoria 1
- Corrosione/irritazione della pelle Categoria 1B
- H290-Può essere corrosivo per i metalli.
- H314-Provoca gravi ustioni cutanee e gravi lesioni oculari.
- H318-Provoca gravi lesioni oculari.
- P280-Indossare guanti/indumenti protettivi/Proteggere gli occhi/il viso.
- P301+P330+P331-IN CASO DI INGESTIONE: sciacquare la bocca. NON provocare il vomito.
- P303+P361+P353-IN CASO DI CONTATTO CON LA PELLE (o con i capelli): togliere immediatamente tutti gli indumenti contaminati. Sciacquare la pelle/fare una doccia.
- P305+P351+P338-IN CASO DI CONTATTO CON GLI OCCHI: sciacquare accuratamente per parecchi minuti. Togliere le eventuali lenti a contatto se è agevole farlo. Continuare a sciacquare.
- P310-Contattare immediatamente un CENTRO ANTIVELENI/un medico .
- MIXTURE LIST-Contiene: Superphosphoric acid
RUO – Research Use Only
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